Sale!
3.87V 5000mAh Li-ion Polymer replacement battery for UMI Bison rugged phone, front view showing battery surface and small 2-pin connector

3.87V 5000mAh Battery for UMI Bison Rugged Phone Replacement

Original price was: $29.99.Current price is: $21.99.

🔘 3.87V 5000mAh | 🔋 Li-ion Polymer | 📱 For UMI Bison Rugged Phone

8 in stock

No PayPal account? 💳 Pay with credit/debit card | 🛡️ PayPal Buyer Protected
SKU: Bison Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

Unlike marketplace sellers with short buyer protection windows, we handle claims directly — no automated disputes, no endless back-and-forth.

Compare✅ Qingsm Tech⚠️ eBay / AliExpress
Warranty Period90 days from delivery15-30 days from order confirmation
When It Starts📦 Upon delivery⚠️ Upon order confirmation (even before you receive it)
Claims HandlingWe do it directly — email usAutomated dispute system, seller dependent
After Window ExpiresStill can contact us for supportNo recourse, seller can ignore you

🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates and may be affected by customs, weather, or other unforeseen circumstances. If your country is not listed in the table below, we are currently unable to ship batteries to that destination.

DestinationFreight (USD)Est. Delivery Time
United States$7.808–15 days
Canada$6.8018–30 days
Mexico$10.0030–60 days
Germany, France, United Kingdom, Greece$6.5018–30 days
Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, Romania$14.0030–50 days
South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan$7.5018–30 days
United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil$18.0025–60 days

🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient's CPF, as it is required for Brazilian customs and shipping. Thanks! We appreciate your understanding.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

🔋 Can't find your battery model? Use our FREE Battery Lookup Service – tell us your device and we'll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

Description

✅ Condition: Brand New – Never used, factory-tested quality

✅ 5000mAh High Capacity – Restores full battery life for UMI Bison rugged phone

✅ CE / RoHS / UN38.3 Certified

✅ 90-Day Warranty from delivery – Longer coverage than major platforms

✅ Ships in 3-7 days with tracking

🛡️ Shipping Protection Available at Checkout

✅ PayPal Buyer Protection included

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery model: Replacement Battery for UMI Bison
Capacity: 5000mAh (typical) / 19.35Wh
Rated voltage: 3.87V
Charge limit voltage: 4.45V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: UMI Bison
Package include: 1 x battery
Restore the reliable performance of your UMI Bison rugged smartphone with this 5000mAh replacement battery. The UMI Bison is a durable IP68/IP69K certified rugged phone built for outdoor work and extreme conditions. It features a 6.1-inch display, a 48MP triple-camera system, and a massive 5000mAh battery designed to keep you connected even in the harshest environments. After extensive daily charging cycles, the factory battery capacity naturally degrades. This Li‑ion Polymer battery restores the full 5000mAh capacity, bringing back the dependable endurance this rugged device was designed for. Built with grade A cells and multi‑layer safety protection against overcharge, over‑discharge, and short circuits. CE, RoHS, and UN38.3 certified.
Designed for Rugged Performance: The UMI Bison is built around a 5000mAh battery that delivers solid all‑day endurance for outdoor use, GPS navigation, and communication in remote areas. The phone supports 18W fast charging and features a dedicated programmable button for outdoor functions. After extended use, the original battery capacity degrades significantly. Common symptoms include: the device requiring more frequent charging, unexpected shutdowns at 15‑25% battery remaining, slower charging than when new, or visible battery swelling. This replacement battery restores the factory‑spec 5000mAh capacity and supports the original fast charging capability. The battery uses high‑density cell technology with precise voltage control, ensuring stable output and compatibility with the device’s original charging circuitry.
Compatibility Note: Fits UMI Bison rugged phone only. Please confirm your device model before ordering — this battery is specifically designed for the UMI Bison. This battery is NOT compatible with UMI Bison Pro, UMI Bison GT, UMI Bison X10, or other UMI models. The UMI Bison uses a distinct 5000mAh battery with specific dimensions and connector layout; using a different battery model may cause charging issues or incorrect battery reporting.

Discover more from Battery.qingsm.tech

Subscribe to get the latest posts sent to your email.

Reviews

There are no reviews yet.

Be the first to review “3.87V 5000mAh Battery for UMI Bison Rugged Phone Replacement”

Your email address will not be published. Required fields are marked *
To receive the "Verified Owner" badge, please use the same email address you used when placing your order.

Frequently Asked Questions

The 5000mAh battery replacement is compatible with UMI Bison rugged phone only. If you need a 5000mAh battery for UMI Bison or a UMI Bison battery replacement, this battery is the exact match. The UMI Bison is an IP68/IP69K certified rugged phone built for extreme conditions and outdoor use. For UMI Bison battery compatibility, please verify your device model — this battery is specifically designed for the original UMI Bison. This battery is NOT compatible with UMI Bison Pro, UMI Bison GT, UMI Bison X10, or other UMI models. If your current UMI Bison battery now drains quickly or shuts down unexpectedly, this 3.87V 5000mAh Li‑ion Polymer battery will restore full endurance and reliability.

The 5000mAh battery for UMI Bison has a typical capacity of 5000mAh (19.35Wh) and a rated voltage of 3.87V, with a charge limit of 4.45V. This 3.87V 5000mAh Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For battery performance, the battery supports the original 18W fast charging of the UMI Bison. For best battery performance UMI Bison, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original UMI Bison battery now requires more frequent charging instead of lasting through your outdoor workday, this replacement will restore the full 5000mAh capacity and stable voltage output.

Professional battery installation is recommended for UMI Bison rugged phone. The device has a sealed design with IP68/IP69K water and dust resistance. To replace the battery in UMI Bison, the technician must carefully open the rugged casing to avoid damaging the waterproof seals, display, or internal components, disconnect the battery's small 2‑pin connector, remove the old battery, and install the new battery before resealing to maintain the device's rugged protection. For UMI Bison battery installation, improper handling can damage the waterproof seals or internal components. For UMI Bison battery health maintenance and battery care tips: 1) Use the original 18W charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 5000mAh cell. 3) Avoid exposing the phone to high temperatures (above 40°C / 104°F), especially while charging. 4) For long‑term storage (over 2 months), keep the battery at approximately 40‑60% charge. 5) Perform a full calibration cycle after installation: drain the phone until it auto‑shuts off, then charge uninterrupted to 100%. For UMI Bison battery care tips, stop using immediately if the battery shows any swelling.

Related products

✅ Ready to order?

This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

👉 Add to Cart Now